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2.5.1.6: methionine adenosyltransferase

This is an abbreviated version!
For detailed information about methionine adenosyltransferase, go to the full flat file.

Word Map on EC 2.5.1.6

Reaction

ATP
+
L-methionine
 +
H2O
=
phosphate
 +
diphosphate
 +
S-adenosyl-L-methionine

Synonyms

(Met) adenosyltransferase 4, adenosylmethionine synthase, adenosylmethionine synthetase, AdoMet synthase, AdoMet synthease, AdoMet synthetase, AdoMetS, ATP-methionine adenosyltransferase, ATP: L-methionine S-adenosyltransferase, EC 2.4.2.13, MAT, MAT I, MAT II, MAT IIalpha, MAT III, MAT1A, MAT2, MAT2A, MAT2beta, MAT3, MAT4, MATalpha1, MATalpha2, methionine adenosyl transferase 2A, methionine adenosyltransferase, methionine adenosyltransferase 2A, methionine adenosyltransferase 2beta, methionine adenosyltransferase 4, methionine adenosyltransferase alpha1, methionine adenosyltransferase II, methionine adenosyltransferase II-alpha, methionine adenosyltransferase IIalpha, methionine S-adenosyltransferase, methionine-activating enzyme, MetK, Mj-MAT, MJ1208, pDS16, PF1866, PfMAT, S-adenosyl-L-methionine synthetase, S-adenosyl-Lmethionine synthetase, S-adenosyl-Met synthetase 3, S-adenosylmethionine synthase, S-adenosylmethionine synthetase, S-adenosylmethionine synthetase 1, S-adenosylmethionine synthetase 2, S-adenosylmethionine synthetase 3, S-adenosylmethionine synthetase A, S-adenosylmethionine synthetase B, S-adenosylmethionine-L-synthetase, SAM synthase, SAM synthetase, SAM-s, Sam1, SAM2, SAMS, SAMS1, SAMS2, SMAT, SSO0199

ECTree

     2 Transferases
         2.5 Transferring alkyl or aryl groups, other than methyl groups
             2.5.1 Transferring alkyl or aryl groups, other than methyl groups (only sub-subclass identified to date)
                2.5.1.6 methionine adenosyltransferase

Activating Compound

Activating Compound on EC 2.5.1.6 - methionine adenosyltransferase

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ACTIVATING COMPOUND
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
ATP
-
tripolyphosphatase activity stimulated by preincubation with ATP and methionine
cycloheximide
-
cycloheximide inhibition of protein synthesis increases isozyme MAT2 mRNA level in the logarithmic phase only, an indication that the gene is regulated in promastigotes at the posttranscriptional level by protein factors that targets the transcript for degradation
Dimethylsulfoxide
dithiothreitol
-
required for alpha and beta isoenzymes activity, not required for gamma enzyme
E2F1
present continually in the MAT2A promoter during liver regeneration
-
E2F3
present continually in the MAT2A promoter during liver regeneration
-
E2F4
present continually in the MAT2A promoter during liver regeneration
-
Epidermal growth factor
forskolin
-
induction of enzyme in organ cell culture
glycerol
-
activates rat liver isoenzymes alpha and beta
insulin-like growth factor 1
-
isoproterenol
-
induction of enzyme in organ cell culture
L-methionine
leptin
-
methanol
53.26% increased yield of S-adenosyl-L-methionine at 1.0% methanol
methionine
-
stimulation of activity demonstrated in vivo. Tripolyphosphatase activity stimulated by preincubation with ATP and methionine
n-heptane
53.26% increased yield of S-adenosyl-L-methionine at 1.0% n-heptane
norepinephrine
-
induction of enzyme in organ cell culture
reduced thioredoxin
increases the activity
S-adenosylmethionine
SH-reagents
-
liver enzyme: requirement, tumor enzyme: no requirement
-
sorbitol
53.26% increased yield of S-adenosyl-L-methionine at 1.2% sorbitol
Sp1
binding of Sp1 to the MAT2A promoter is essential for the transcriptional up-regulation of the gene
-
tripolyphosphates
-
activation or inhibition, depending on isoenzyme, S-adenosylmethionine and tripolyphosphate concentration
Tumor necrosis factor alpha
-
induces expression of variant 1 (but not variant 2) MAT2beta
-
additional information
-